Social Sharing

No immediate tsunami warning, or reports of damage or casualties

A police officer stands guard in front of a house destroyed by an earthquake in Mashiki, Kumamoto prefecture, southern Japan on Saturday. Wednesday's tremor is the latest in a series of strong quakes to hit the region. (Ryosuke Uematsu/Kyodo News/Associated Press)

An earthquake measuring 6.1 magnitude struck off northeastern Japan on Wednesday, the U.S. Geological Survey said.

There was no immediate tsunami warning, or reports of damage or casualties.​